Customization: | Available |
---|---|
CAS No.: | 1327-41-9 |
Formula: | [Fe2(Oh)N(So4)3-N/2]M |
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project | index | testmethod | |||
First-class products | Qualified products | ||||
liquid | solid | liquid | solid | ||
The mass fraction of total iron % ≥ | 11 | 19.5 | 11 | 19.5 | 5.2 |
Mass fraction of reducing substances (in terms of Fe²+) % ≤ | 0.1 | 0.15 | 0.1 | 0.15 | 5.3 |
Basicity % | 8.0~16.0 | 5.0~20.0 | 5.4 | ||
pH value (10 g/L aqueous solution) | 1.5~3.0 | 5.5 | |||
Density (20ºC)/(g/cm³) ≥ | 1.45 | - | 1.45 | - | 5.6 |
The mass fraction of insoluble matter % ≤ | 0.2 | 0.4 | 0.3 | 0.6 | 5.7 |
Mass fraction of arsenic (As) % ≤ | 0.0001 | 0.0002 | 0.0005 | 0.001 | 5.8 |
Mass fraction of lead (Pb) % ≤ | 0.0002 | 0.0004 | 0.001 | 0.002 | 5.9 |
Mass fraction of cadmium (Cd) % ≤ | 0.00005 | 0.0001 | 0.00025 | 0.0005 | 5.9 |
Mercury (Hg) mass fraction % ≤ | 0.00001 | 0.00002 | 0.00005 | 0.0001 | 5.1 |
Mass fraction of chromium (Cr) % ≤ | 0.0005 | 0.001 | 0.0025 | 0.005 | 5.11 |
Mass fraction of zinc (Zn) % ≤ | - | - | 0.005 | 0.01 | 5.12 |
Nickel (Ni) mass fraction % ≤ | - | - | 0.005 | 0.01 | 5.13 |
When this product is used for drinking water treatment, it should comply with the "Sanitary Safety Evaluation Standard for Chemical Treatment Agents for Drinking Water" and related laws and regulations.Require. |
1. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
2.what can you buy from us?
catalyst,Functional additive,Inorganic raw material,additive,Pigment dye
3.What's your delivery time?
It depends on order quantity, usually we will arrange shipment within 3-20 days
4.Can l get sample before order?
Yes, we can provide free sample once price is agreed,and you have to pay us the delivery fee in advance
5. why should you buy from us not from other suppliers?
We with a sound management system. Long-term commitment to chemical products research and development, production and marketing. Our products include organic chemical raw mate
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